2015
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
926318 |
2411 |
- |
2436 |
= |
-25 |
* |
(61 |
/ |
268)
|
= |
-5.6902985 |
| 4 |
926319 |
2431 |
- |
2485 |
= |
-54 |
* |
(95 |
/ |
268)
|
= |
-19.14179099 |
| 5 |
926321 |
2439 |
- |
2528 |
= |
-89 |
* |
(63 |
/ |
268)
|
= |
-20.92164171 |
| 6 |
926324 |
2513 |
- |
2552 |
= |
-39 |
* |
(49 |
/ |
268)
|
= |
-7.13059698 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Los Feliz Science/Tech/Engineer/Math/Medicine Magnet
|
-53 |
2016
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
29285 |
2429 |
- |
2436 |
= |
-7 |
* |
(69 |
/ |
285)
|
= |
-1.69473684 |
| 4 |
29287 |
2459 |
- |
2485 |
= |
-26 |
* |
(71 |
/ |
285)
|
= |
-6.47719298 |
| 5 |
29288 |
2475 |
- |
2528 |
= |
-53 |
* |
(92 |
/ |
285)
|
= |
-17.1087719 |
| 6 |
29290 |
2511 |
- |
2552 |
= |
-41 |
* |
(53 |
/ |
285)
|
= |
-7.62456139 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Los Feliz Science/Tech/Engineer/Math/Medicine Magnet
|
-33 |
2017
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
29850 |
2419 |
- |
2436 |
= |
-17 |
* |
(71 |
/ |
295)
|
= |
-4.09152542 |
| 4 |
29851 |
2471 |
- |
2485 |
= |
-14 |
* |
(81 |
/ |
295)
|
= |
-3.84406779 |
| 5 |
29854 |
2493 |
- |
2528 |
= |
-35 |
* |
(80 |
/ |
295)
|
= |
-9.4915254 |
| 6 |
29855 |
2531 |
- |
2552 |
= |
-21 |
* |
(63 |
/ |
295)
|
= |
-4.48474576 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Los Feliz Science/Tech/Engineer/Math/Medicine Magnet
|
-22 |
2018
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
29899 |
2444 |
- |
2436 |
= |
8 |
* |
(70 |
/ |
292)
|
= |
1.91780822 |
| 4 |
29900 |
2493 |
- |
2485 |
= |
8 |
* |
(88 |
/ |
292)
|
= |
2.4109589 |
| 5 |
29902 |
2510 |
- |
2528 |
= |
-18 |
* |
(82 |
/ |
292)
|
= |
-5.05479451 |
| 6 |
29904 |
2549 |
- |
2552 |
= |
-3 |
* |
(52 |
/ |
292)
|
= |
-0.53424657 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Los Feliz Science/Tech/Engineer/Math/Medicine Magnet
|
-1 |
2019
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
30075 |
2468 |
- |
2436 |
= |
32 |
* |
(67 |
/ |
273)
|
= |
7.85347984 |
| 4 |
30076 |
2491 |
- |
2485 |
= |
6 |
* |
(78 |
/ |
273)
|
= |
1.71428571 |
| 5 |
30077 |
2514 |
- |
2528 |
= |
-14 |
* |
(94 |
/ |
273)
|
= |
-4.82051282 |
| 6 |
30078 |
2539 |
- |
2552 |
= |
-13 |
* |
(34 |
/ |
273)
|
= |
-1.61904761 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Los Feliz Science/Tech/Engineer/Math/Medicine Magnet
|
3 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-53
|
-33
|
-22
|
-1
|
3
|
-106.0 |
-21.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 47.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -90.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
